HomeAir and Fuel Delivery > FiltersDenso 143-3698 Air Filter
Part #: 143-3698

Denso 143-3698 Air Filter

FTF Air Filter
⚙️ 21 vehicles fit this part
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Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦FTF Air Filter
🚗Fitment: Mercedes-Benz, CLA250 and GLA250
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of the Denso 143-3698 Engine Air Filter

The Denso 143-3698 engine air filter is designed specifically for select Mercedes-Benz models, including the B250, CLA250, and GLA250. This trapezoid-shaped air filter ensures proper airflow and filtration to maintain engine performance and efficiency.

  • Compatible with Mercedes-Benz B250, CLA250, and GLA250 models
  • Trapezoid shape with precise dimensions for exact fitment
  • Height: 58.0 mm, Side A Length: 262.0 mm, Side B Length: 176.0 mm
  • Part number 143-3698 for easy identification and replacement
  • Part of the Denso FTF Air Filter product line

Detailed Product Description and Specifications

The Denso 143-3698 engine air filter features a trapezoid shape tailored to fit the air intake system of Mercedes-Benz B250, CLA250, and GLA250 vehicles. With a height of 58.0 mm, side A length of 262.0 mm, and side B length of 176.0 mm, this filter matches the OEM specifications to ensure a secure fit and optimal filtration. The design supports efficient airflow while capturing dust, dirt, and other airborne contaminants that could affect engine performance.

About the Denso FTF Air Filter Product Line

The FTF Air Filter line by Denso focuses on delivering filters engineered to meet or exceed original equipment standards. This product line emphasizes precise fitment and reliable filtration performance, making it suitable for maintaining the air quality entering the engine. The 143-3698 filter is part of this line, providing a balance of durability and filtration efficiency for Mercedes-Benz vehicles.

Common Applications and Problem Solving

  • Prevents engine damage caused by dust and debris
  • Helps maintain fuel efficiency by ensuring clean airflow
  • Reduces engine wear and prolongs engine life
  • Supports consistent engine performance and power output
  • Minimizes air intake restrictions that can cause rough idling or reduced acceleration

Installation Notes and Tips

  • Verify compatibility with Mercedes-Benz B250, CLA250, or GLA250 before installation
  • Ensure the air filter housing is clean before inserting the new filter
  • Install the filter with the trapezoid shape aligned to the airbox for a proper seal
  • Check for any air leaks after installation to maintain filtration efficiency
  • Replace the air filter according to the vehicle manufacturer’s recommended maintenance schedule

Quality Assurance and Warranty Information

Denso engine air filters, including part number 143-3698, are manufactured to meet strict quality standards. While specific warranty details may vary, Denso products typically come with a limited warranty covering defects in materials and workmanship. Using a Denso FTF Air Filter helps ensure reliable filtration performance consistent with OEM requirements.

BrandDenso
Part Number143-3698
PositionFTF Air Filter
Height58.0
ShapeTRAPEZOID
Side A Length262.0
Side B Length176.0

This part fits 21 vehicles. Search below:

YearMakeModelSubmodelPositionNotes
2020Mercedes-BenzGLA250BaseN/AExcept high output.; Engine Air Filter - FTF Air Filter
2019Mercedes-BenzB250N/AEngine Air Filter - FTF Air Filter
2019Mercedes-BenzCLA250N/AEngine Air Filter - FTF Air Filter
2019Mercedes-BenzGLA250N/AEngine Air Filter - FTF Air Filter
2018Mercedes-BenzB250N/AEngine Air Filter - FTF Air Filter
2018Mercedes-BenzCLA250BaseN/AFTF Air Filter
2018Mercedes-BenzCLA2504MaticN/AFTF Air Filter
2018Mercedes-BenzGLA250BaseN/AFTF Air Filter
2018Mercedes-BenzGLA2504MaticN/AFTF Air Filter
2017Mercedes-BenzB250N/AEngine Air Filter - FTF Air Filter
2017Mercedes-BenzCLA250N/AFTF Air Filter
2017Mercedes-BenzGLA250N/AFTF Air Filter
2016Mercedes-BenzB250N/AEngine Air Filter - FTF Air Filter
2016Mercedes-BenzCLA250N/AFTF Air Filter
2016Mercedes-BenzGLA250N/AFTF Air Filter
2015Mercedes-BenzB250N/AEngine Air Filter - FTF Air Filter
2015Mercedes-BenzCLA250N/AFTF Air Filter
2015Mercedes-BenzGLA250N/AFTF Air Filter
2014Mercedes-BenzB250N/AEngine Air Filter - FTF Air Filter
2014Mercedes-BenzCLA250N/AFTF Air Filter
2013Mercedes-BenzB250N/AEngine Air Filter - FTF Air Filter

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

C 27 004

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.